https://bugzilla.kernel.org/show_bug.cgi?id=214665 Theodore Tso (tytso@xxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |tytso@xxxxxxx Resolution|--- |INVALID --- Comment #1 from Theodore Tso (tytso@xxxxxxx) --- This is not a bug, but rather things working as expected. This is because truncate does not actually allocate any disk blocks. It merely sets the i_size of the inode to be the specified quantity. If i_size is less than where blocks currently are allocated and assigned to the inode at those logical offsets, then those blocks will be deallocated. But truncate never allocates any additional data blocks. Try running "du id", and see how much disk space the file takes. Or try using "ls -s", which will show the disk space used by the file --- which is different from the size of the file. If this puzzles you, look up the definition of "sparse file". -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
